Merge pull request #798 from cheapsteak/patch-1

Update downloads badge to point to graph of downloads over time 📈

README.md

@@ -2,7 +2,7 @@
 [![Build Status](https://travis-ci.org/localForage/localForage.svg?branch=master)](http://travis-ci.org/localForage/localForage)
 [![NPM version](https://badge.fury.io/js/localforage.svg)](http://badge.fury.io/js/localforage)
 [![Dependency Status](https://img.shields.io/david/localForage/localForage.svg)](https://david-dm.org/localForage/localForage)
-[![npm](https://img.shields.io/npm/dm/localforage.svg?maxAge=2592000)]()
+[![npm](https://img.shields.io/npm/dm/localforage.svg?maxAge=2592000)](https://npmcharts.com/compare/localforage?minimal=true)
 [![jsDelivr Hits](https://data.jsdelivr.com/v1/package/npm/localforage/badge?style=rounded)](https://www.jsdelivr.com/package/npm/localforage)
 
 localForage is a fast and simple storage library for JavaScript. localForage